Hardhat



FIG. 1 is a side elevation view of a hardhat showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof; and,

FIG. 5 is a bottom plan view thereof.

The crosshatch surface shading is understood to repeat throughout the indicated area. 

The ornamental design for a hardhat, as shown and described. 